Last name: Lafayette. This noble French surname is possibly more famous in the United States of America than in its homeland. Recorded in many spellings including Fay, Lafay, Lafaye, Lafee, and Lafayette, the origin is from the Lyonais region of France. The surname is residential and describes a person who lived by La hetrie, or the beech tree.
Anemia Anemia, a lack of red blood cells, can cause fatigue, pale skin, weakness, dizziness, headache and more. Tension headache Tension headaches, caused by muscle tension, are marked by pain, pressure and tightness around the head.
1 Drug reactions: Weakness may be a side effect of drugs such as steroids, heart medicine, or muscle relaxants. Alcohol or illegal drugs can also cause weakness.  Prolonged lack of motion: Parts of your body may become weak if you have not moved them for a long time.